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CCTV SYSTEMS SAQA Unit Standard - 244337

Course Duration – 8 Days – 6 Credits

Demonstrate an understanding of CCTV


Specific Outcomes and Assessment Criteria:


SPECIFIC OUTCOME 1

Demonstrate an understanding of the basic theory of CCTV.


ASSESSMENT CRITERIA


ASSESSMENT CRITERION 1

CCTV systems are explained according to their purpose and uses.


ASSESSMENT CRITERION 2

Video signals are described in terms of their characteristics.

ASSESSMENT CRITERION RANGE

CCTV video signal must include but is not limited to fields, horizontal resolution, vertical resolution, sync pulses, NTSC, PAL, noise, monochrome, colour, interlacing.

 

ASSESSMENT CRITERION 3

Terminology related to the features and functions of CCTV is used in the correct context.

ASSESSMENT CRITERION RANGE

Terminology must include but is not limited to, phasing, over-scan, under-scan, ccd, cmos, lens types, iris types, depth of field, field of view, focal length, back focus, frames.

 

ASSESSMENT CRITERION 4

The effects of lighting types on CCTV are described in terms of the influence on an installation.

ASSESSMENT CRITERION RANGE

Lighting may include but is not limited to the visible light spectrum, reflectance, spectral response, mercury vapour, sodium, fluorescent, halogen, incandescent, lux levels.


SPECIFIC OUTCOME 2

Explain the functionality of the components of a CCTV system.


ASSESSMENT CRITERIA


ASSESSMENT CRITERION 1

CCTV components are described in terms of their functions.


ASSESSMENT CRITERION 2

Functional requirements are determined to suit an application.

ASSESSMENT CRITERION RANGE

Functional requirements may include but are not limited to detection, observation, recognition, identification, placement, environmental conditions, legal compliance and customer requirements.

 

ASSESSMENT CRITERION 3

Component features are identified and described in terms of their uses in an application.


ASSESSMENT CRITERION RANGE

Features must include but are not limited to, high resolution, standard resolution, colour, monochrome, day night, wide dynamic range, backlight compensation, shutter speed, fixed, vari-focal, manual zoom, motorised zoom, video iris, dc drive iris.


ASSESSMENT CRITERION 4

Lens principles are explained in terms of their performance and functionality.

ASSESSMENT CRITERION RANGE

Lens principles must include but are not limited to, field of view, depth of field, F-stop, aperture, iris, optics, chromatic aberration, focal length, aspherical, C and CS format.


ASSESSMENT CRITERION 5

Transmission mediums are explained in terms of their advantages, disadvantages, uses and limitations.

ASSESSMENT CRITERION RANGE

Transmission medium may include but is not limited to coaxial, twisted pair, microwave, infra-red, fibre, RS232, RS485, RS422, ground loops, manufacturers proprietary protocols.

 


SPECIFIC OUTCOME 3

Explain the ethics and legal aspects pertaining to CCTV installations.


ASSESSMENT CRITERIA


ASSESSMENT CRITERION 1

Camera placement is explained in terms of current legislation.


ASSESSMENT CRITERION 2

Legal requirements are explained in terms of the chain of evidence as required by the criminal justice system.


ASSESSMENT CRITERION 3

Reasons for maintaining confidentiality with regards to a CCTV application are explained in terms of avoiding unethical actions or legal consequences.


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